/** get protocol name (asciiz).
* @param proto - protocol number
* @return string with the protocol name or "unknown".
*/
char* get_proto_name(unsigned int proto)
{
str sproto;
switch(proto){
case PROTO_NONE:
return "*";
default:
if(get_valid_proto_string(proto, 1, 0, &sproto)<0)
return "unknown";
return sproto.s;
}
}
int pv_get_sndto(struct sip_msg *msg, pv_param_t *param,
pv_value_t *res)
{
struct onsend_info* snd_inf;
struct ip_addr ip;
str s;
snd_inf=get_onsend_info();
if (! likely(snd_inf && snd_inf->send_sock))
return pv_get_null(msg, param, res);
switch(param->pvn.u.isname.name.n)
{
case 1: /* af */
return pv_get_uintval(msg, param, res,
(int)snd_inf->send_sock->address.af);
case 2: /* port */
return pv_get_uintval(msg, param, res,
(int)su_getport(snd_inf->to));
case 3: /* proto */
return pv_get_uintval(msg, param, res,
(int)snd_inf->send_sock->proto);
case 4: /* buf */
s.s = snd_inf->buf;
s.len = snd_inf->len;
return pv_get_strval(msg, param, res, &s);
case 5: /* len */
return pv_get_uintval(msg, param, res,
(int)snd_inf->len);
case 6: /* sproto */
if(get_valid_proto_string((int)snd_inf->send_sock->proto,
0, 0, &s)<0)
return pv_get_null(msg, param, res);
return pv_get_strval(msg, param, res, &s);
default:
/* 0 - ip */
su2ip_addr(&ip, snd_inf->to);
s.s = ip_addr2a(&ip);
s.len = strlen(s.s);
return pv_get_strval(msg, param, res, &s);
}
return 0;
}
/**
* get source ip, port and protocol in SIP URI format
* - tmode - 0: short format (transport=udp is not added, being default)
*/
int get_src_uri(sip_msg_t *m, int tmode, str *uri)
{
static char buf[MAX_URI_SIZE];
char* p;
str ip, port;
int len;
str proto;
if (!uri || !m) {
ERR("invalid parameter value\n");
return -1;
}
if(tmode==0) {
switch(m->rcv.proto) {
case PROTO_NONE:
case PROTO_UDP:
proto.s = 0; /* Do not add transport parameter, UDP is default */
proto.len = 0;
break;
default:
if(get_valid_proto_string(m->rcv.proto, 1, 0, &proto)<0) {
ERR("unknown transport protocol\n");
return -1;
}
}
} else {
if(get_valid_proto_string(m->rcv.proto, 1, 0, &proto)<0) {
ERR("unknown transport protocol\n");
return -1;
}
}
ip.s = ip_addr2a(&m->rcv.src_ip);
ip.len = strlen(ip.s);
port.s = int2str(m->rcv.src_port, &port.len);
len = 4 + ip.len + 2*(m->rcv.src_ip.af==AF_INET6)+ 1 + port.len;
if (proto.s) {
len += TRANSPORT_PARAM_LEN;
len += proto.len;
}
if (len > MAX_URI_SIZE) {
ERR("buffer too small\n");
return -1;
}
p = buf;
memcpy(p, "sip:", 4);
p += 4;
if (m->rcv.src_ip.af==AF_INET6)
*p++ = '[';
memcpy(p, ip.s, ip.len);
p += ip.len;
if (m->rcv.src_ip.af==AF_INET6)
*p++ = ']';
*p++ = ':';
memcpy(p, port.s, port.len);
p += port.len;
if (proto.s) {
memcpy(p, TRANSPORT_PARAM, TRANSPORT_PARAM_LEN);
p += TRANSPORT_PARAM_LEN;
memcpy(p, proto.s, proto.len);
p += proto.len;
}
uri->s = buf;
uri->len = len;
return 0;
}